From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from lb1-smtp-cloud7.xs4all.net ([194.109.24.24]:44849 "EHLO lb1-smtp-cloud7.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932291AbeENNNw (ORCPT ); Mon, 14 May 2018 09:13:52 -0400 From: Hans Verkuil To: linux-media@vger.kernel.org Cc: Hans Verkuil , Sylwester Nawrocki Subject: [PATCH 3/7] s5p-mfc: fix two sparse warnings Date: Mon, 14 May 2018 15:13:42 +0200 Message-Id: <20180514131346.15795-4-hverkuil@xs4all.nl> In-Reply-To: <20180514131346.15795-1-hverkuil@xs4all.nl> References: <20180514131346.15795-1-hverkuil@xs4all.nl> Sender: linux-media-owner@vger.kernel.org List-ID: From: Hans Verkuil media-git/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c: In function 'vidioc_querycap': media-git/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c:1317:2: warning: 'strncpy' output may be truncated copying 31 bytes from a string of length 31 [-Wstringop-truncation] strncpy(cap->card, dev->vfd_enc->name, sizeof(cap->card) - 1); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ media-git/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c: In function 'vidioc_querycap': media-git/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c:275:2: warning: 'strncpy' output may be truncated copying 31 bytes from a string of length 31 [-Wstringop-truncation] strncpy(cap->card, dev->vfd_dec->name, sizeof(cap->card) - 1); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Hans Verkuil Cc: Sylwester Nawrocki --- drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 4 ++-- drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c index 5cf4d9921264..6a3cc4f86c5d 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c @@ -271,8 +271,8 @@ static int vidioc_querycap(struct file *file, void *priv, { struct s5p_mfc_dev *dev = video_drvdata(file); - strncpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver) - 1); - strncpy(cap->card, dev->vfd_dec->name, sizeof(cap->card) - 1); + strlcpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver)); + strlcpy(cap->card, dev->vfd_dec->name, sizeof(cap->card)); snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", dev_name(&dev->plat_dev->dev)); /* diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c index 5c0462ca9993..570f391f2cfd 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c @@ -1313,8 +1313,8 @@ static int vidioc_querycap(struct file *file, void *priv, { struct s5p_mfc_dev *dev = video_drvdata(file); - strncpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver) - 1); - strncpy(cap->card, dev->vfd_enc->name, sizeof(cap->card) - 1); + strlcpy(cap->driver, S5P_MFC_NAME, sizeof(cap->driver)); + strlcpy(cap->card, dev->vfd_enc->name, sizeof(cap->card)); snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", dev_name(&dev->plat_dev->dev)); /* -- 2.17.0